Cut the chicken breast into bite-sized pieces.
Finely chop the onion and garlic.
Add olive oil to a pan and stir-fry the chicken breast.
Once the chicken is cooked, add the onion and garlic and stir-fry.
Add the oatmeal and mix well while stir-frying.
Pour in the milk and bring to a boil.
Add the spicy chicken sauce and simmer while stirring well.
Top with mozzarella cheese and cook until the cheese is melted.
Serve in a bowl to finish.